Same-sex sexual behavior in insects and arachnids: prevalence, causes, and consequences Inon ScharfOliver Y. Martin Review 02 August 2013 Pages: 1719 - 1730
Simultaneous GPS tracking reveals male associations in a solitary carnivore Mia Lana LührsPeter M. Kappeler Original Paper 11 July 2013 Pages: 1731 - 1743
Nest-seeking rock ants (Temnothorax albipennis) trade off sediment packing density and structural integrity for ease of cavity excavation Nicholas J. MinterAna B. Sendova-FranksNigel R. Franks Original Paper 20 July 2013 Pages: 1745 - 1756
Nitrate affects courting and breathing but not escape performance in adult newts J. SecondiV. LepetzS. Sourice Original Paper 09 July 2013 Pages: 1757 - 1765
Intersexual dominance relationships and the influence of leverage on the outcome of conflicts in wild bonobos (Pan paniscus) Martin SurbeckGottfried Hohmann Original Paper 09 July 2013 Pages: 1767 - 1780
The acoustic structure of chimpanzee pant-hooting facilitates chorusing Pawel FedurekAnne M. SchelKatie E. Slocombe Original Paper 09 July 2013 Pages: 1781 - 1789
An experimental study on the causal relationships between (ecto-)parasites, testosterone and sexual signalling Wendt MüllerDieter HeylenTon G. G. Groothuis Original Paper 10 July 2013 Pages: 1791 - 1798
High social density increases foraging and scouting rates and induces polydomy in Temnothorax ants Tuan T. Cao Original Paper 28 July 2013 Pages: 1799 - 1807
Benefits of extra-pair mating may depend on environmental conditions—an experimental study in the blue tit (Cyanistes caeruleus) Aneta ArctSzymon M. DrobniakMariusz Cichoń Original Paper Open access 17 July 2013 Pages: 1809 - 1815
Carotenoid-based plumage coloration reflects feather corticosterone levels in male house finches (Haemorhous mexicanus) Á. Z. LendvaiM. GiraudeauK. J. McGraw Original Paper 11 August 2013 Pages: 1817 - 1824
Male baboon responses to experimental manipulations of loud “wahoo calls”: testing an honest signal of fighting ability D. M. KitchenD. L. CheneyR. M. Seyfarth Original Paper 31 July 2013 Pages: 1825 - 1835
Voices in the dark: predation risk by owls influences dusk singing in a diurnal passerine Kenneth A. SchmidtKara Loeb Belinsky Original Paper 30 July 2013 Pages: 1837 - 1843
No evidence that sperm morphology predicts paternity success in wild house wrens Emily R. A. CramerTerje LaskemoenJan T. Lifjeld Original Paper 20 July 2013 Pages: 1845 - 1853
Intra-group relatedness affects parental and helper investment rules in offspring care James L. SavageAndrew F. RussellRufus A. Johnstone Original Paper 20 July 2013 Pages: 1855 - 1865
A novel application of Approximate Bayesian Computation for detecting male reproductive advantages due to mating order M. Catherine DuryeaAndrew D. KernRyan Calsbeek Methods 21 August 2013 Pages: 1867 - 1875
Spatial proximity loggers for recording animal social networks: consequences of inter-logger variation in performance N. K. BoylandR. JamesD. P. Croft Methods 08 September 2013 Pages: 1877 - 1890